Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 5 2 4 3 5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Oxygen Hydrogen Chlorine Nitrogen Oxygen Hydrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium chlorate Calcium bi chloride Calcium chloro hypochlorite Calcium hypochlorite Calcium chlorate Calcium bi chloride Calcium chloro hypochlorite Calcium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
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